13-18 City Quay Shell & Core Mixed Use Development. The proposed development comprises a new eight storey office building with own door commercial units at ground floor located over a single storey basement car park. The ground floor will comprise the main entrance reception for the office overhead, 3 no. own door units in addition to ancillary ESB substation, switch rooms and a delivery/security area. The main entrance reception for the upper floor offices will be located off City Quay which internally will include the main central stair and lift core which will serve all upper floors.